VKMain: Remove check for macOS 10.14

Source/Core/VideoBackends/Vulkan/VKMain.cpp

@@ -280,30 +280,6 @@ void VideoBackend::Shutdown()
   UnloadVulkanLibrary();
 }
 
-#if defined(VK_USE_PLATFORM_METAL_EXT)
-static bool IsRunningOnMojaveOrHigher()
-{
-  // id processInfo = [NSProcessInfo processInfo]
-  id processInfo = reinterpret_cast<id (*)(Class, SEL)>(objc_msgSend)(
-      objc_getClass("NSProcessInfo"), sel_getUid("processInfo"));
-  if (!processInfo)
-    return false;
-
-  struct OSVersion  // NSOperatingSystemVersion
-  {
-    size_t major_version;  // NSInteger majorVersion
-    size_t minor_version;  // NSInteger minorVersion
-    size_t patch_version;  // NSInteger patchVersion
-  };
-
-  // const bool meets_requirement = [processInfo isOperatingSystemAtLeastVersion:required_version];
-  constexpr OSVersion required_version = {10, 14, 0};
-  const bool meets_requirement = reinterpret_cast<bool (*)(id, SEL, OSVersion)>(objc_msgSend)(
-      processInfo, sel_getUid("isOperatingSystemAtLeastVersion:"), required_version);
-  return meets_requirement;
-}
-#endif
-
 void VideoBackend::PrepareWindow(WindowSystemInfo& wsi)
 {
 #if defined(VK_USE_PLATFORM_METAL_EXT)
@@ -345,17 +321,6 @@ void VideoBackend::PrepareWindow(WindowSystemInfo& wsi)
 
   // Store the layer pointer, that way MoltenVK doesn't call [NSView layer] outside the main thread.
   wsi.render_surface = layer;
-
-  // The Metal version included with MacOS 10.13 and below does not support several features we
-  // require. Furthermore, the drivers seem to choke on our shaders (mainly Intel). So, we warn
-  // the user that this is an unsupported configuration, but permit them to continue.
-  if (!IsRunningOnMojaveOrHigher())
-  {
-    PanicAlertFmtT(
-        "You are attempting to use the Vulkan (Metal) backend on an unsupported operating system. "
-        "For all functionality to be enabled, you must use macOS 10.14 (Mojave) or newer. Please "
-        "do not report any issues encountered unless they also occur on 10.14+.");
-  }
 #endif
 }
 }  // namespace Vulkan